The following information (Health Effects, Handling/Disposal, and Ingredients) is taken from the product label and/or the Material Safety Data Sheet (MSDS) prepared by the manufacturer. The National Library of Medicine does not test products nor does it evaluate information from the product label or the MSDS. (What is an MSDS?)

Health Effects

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Acute Health Effects:

From MSDS
Principal Hazards Caution

Chronic Health Effects:

From MSDS
This product contains a small amount of crystalline silica. Repeated inhalation of large amounts of silica dust over an extended period of time may result in a progressive, disabling disease, silicosis. Symptoms include shortness of breath, chest pain and reduced lung function.

Carcinogenicity:

From MSDS
The International Agency for Research on Cancer has determined that respirable crystalline silica is a probable human carcinogen (Group 1). The National Toxicology Program classifies respirable crystalline silica as a substance which may reasonably be anticipated to be a carcinogen. A risk assessment done on this product showed that no increase cancer risk would be expected from the customary use of this product over a person

First Aid:

From MSDS
Swallowing: Clear material from mouth. No harmful effect is expected from a small ingestion. If a large ingestion is taken call a physician, poison control center or emergency room for advice.
Skin: No emergency care anticipated.
Inhalation: No emergency care anticipated.
Eyes: Exposed eyes should be immediately flushed with copious amounts of water. Hold eyelids apart to ensure rinsing the entire surface of the eye with water. Avoid rubbing the eyes as this may result in further medical irritation. If irritation or pain persists, seek medical attention.
Notes To Physician: There is no specific antidote. Treatment of overexposure should be directed at the control of symptoms and the clinical conditions.